Environmental factors controlling the induction of diapause in the pink bollworm, Pectinophora gossypiella (Saunders)

Adkisson, Perry L.; Bell, Robert A.; Wellso, Stanley G.

doi:10.1016/0022-1910(63)90107-0

Cited by 67 publications

(18 citation statements)

References 15 publications

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“…Nevertheless, the cost estimated for the Mohave-derived strains was similar to the one obtained for the AZPderived strains, suggesting that low sample size in AZP-RO was not an important problem. Induction of diapause in this experiment was clearly lower than expected under the photoperiod and temperature used (Adkisson et al 1963). Such low diapause induction may partly result from the high quality of the artiÞcial diet that was used in our study (see Adkisson et al 1963), or from genetic differences between pink bollworm populations used in the two studies.…”

Section: Discussionmentioning

confidence: 63%

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Overwintering Cost Associated with Resistance to Transgenic Cotton in the Pink Bollworm (Lepidoptera: Gelechiidae)

et al. 2001

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Fitness costs associated with resistance to transgenic crops producing toxins from Bacillus thuringiensis (Bt) may have important effects on the evolution of resistance. We investigated overwintering costs in pink bollworm, Pectinophora gosypiella (Saunders), strains with different degrees of resistance to Bt cotton. Frequency of resistant individuals in a strain was not associated with induction of diapause or emergence from diapause in early winter. Emergence from diapause in the spring was 71% lower in three highly resistant strains than in two heterogeneous strains from which the resistant strains were derived. This underestimates the overwintering cost because the frequency of the resistance allele was relatively high in the heterogeneous strains. Emergence in the spring in hybrid progeny from crosses between the resistant and heterogeneous strains was greater than in resistant strains but did not differ from susceptible strains, showing that the overwintering cost was recessive to some extent.

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Section: Discussionmentioning

confidence: 63%

“…These pads were placed on wheat germ diet in 500-ml cups, and maintained at a photoperiod of 12:12 (L:D) h and 29ЊC/15ЊC (Ϯ2ЊC) light/temperature cycle, which favors diapause induction in pink bollworm (Adkisson et al 1963). Diet cups with egg pads were placed in two identical growth chambers.…”

Section: Methodsmentioning

confidence: 99%

Overwintering Cost Associated with Resistance to Transgenic Cotton in the Pink Bollworm (Lepidoptera: Gelechiidae)

et al. 2001

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“…The apparent need for two stimuli in an aquatic arthropod is analogous to the many examples from studies of terrestrial insects and mites where temperature (Paris and Jenner, 1959;Danilevskii, 1965) and diet (Lees, 1953;Bull and Adkisson, 1962;Adkisson et al, 1963) may determine expression. However, many of the terrestrial examples result from experimental environments that may be inconsistent with the natural expectation of diet and temperature at the inductive period of the year.…”

Section: Discussionmentioning

confidence: 93%

Photoperiod Control of Winter Diapause in the Fresh-Water Crustacean, Daphnia

Stross¹,

Hill²

1968

The Biological Bulletin

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“…'lore detailed experiments on the individual instars of Pectinophora gossypiella (Saunders) led to the following conclusions (Adkisson et al 1963): (1) all instars are sensitive to photoperiod, (2) diapause may be potentially induced in ,!…”

Section: T H E Sensitive Deaelopnzevztal Periodmentioning

confidence: 99%

“…Although field temperatures fluctuate, it has been found that the incidence of diapause is higher, if anything, under variable temperatures than under constant temperatures equivalent to their means (Adkisson et al 1963). The field work was started in 1956 and the mean pupation date at Fredericton for the 10-year period 1956-1965 was near 12 September (daylength 12.7 hours).…”

Section: Age Of Foliagementioning

confidence: 99%

FACTORS INDUCING DIAPAUSE IN HYPHANTRIA CUNEA

Morris

1967

Can Entomol

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Can. Ent. 99: 522-528 (1967) Diapause induction in Hyphmtria cunea is under the joint control of photoperiod, temperature, humidity, food quality, and possibly other variables, but insufficient data are available to permit a precise evaluation of their actions and interactions. Short daylength and low temperature induce diapause and the critical thresholds for New Brunswick -Nova Scotia populations are in the vicinity of 14.3 hours and 72"F, respectively. Low humidity increases the incidence of diapause, as does also the change in the nutritional quality of foliage late in the season. Both field data and the extrapolation of laboratory data to field conditions indicate that the occurrence of a partial second generation is unlikely in this area, even in warm seasons.Abstract Can. Ent. 99: 529-536 (1967)

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Environmental factors controlling the induction of diapause in the pink bollworm, Pectinophora gossypiella (Saunders)

Cited by 67 publications

References 15 publications

Overwintering Cost Associated with Resistance to Transgenic Cotton in the Pink Bollworm (Lepidoptera: Gelechiidae)

Overwintering Cost Associated with Resistance to Transgenic Cotton in the Pink Bollworm (Lepidoptera: Gelechiidae)

Photoperiod Control of Winter Diapause in the Fresh-Water Crustacean, Daphnia

FACTORS INDUCING DIAPAUSE IN HYPHANTRIA CUNEA

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